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Online Geometry: Tangent Circles, Theorems and Problems Page
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Tangent Circles, Theorems and Problems: Table of Content
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![Tangent Circles Index](tangent_circles_index_17.jpg) |
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![Mascheroni: Intersecting circles](mascheroni_construction_1.jpg) |
Mascheroni Construction with compass
alone. Midpoint of a segment.
Intersecting circles.
Tangent circles. |
![Elearn 213 Triangle Inradius, Common Tangents](../problem/p213_triangle_circle_170.jpg) |
Proposed Problem
213. Triangle, Incircle, Inradius, Semicircles, Common Tangents. |
![Elearning 190 tangent circles, chord, perpendicular](../problem/p190_tangent_circles_17.jpg) |
Proposed Problem
190. Tangent circles, Tangent chord, Perpendicular, Distance. |
![Circle tangent externally, trapezoid, area](../problem/p180_circle_trapezoid_area_.jpg) |
Proposed Problem
180. Externally
Tangent circles, Common External Tangents, Areas. |
![Geometry Problem 145. Elearning Triangle](../problem/p145_four_triangles_circle_.jpg) |
Proposed Problem
145.
Four Triangles, Incircle, Tangent and Parallel to Side, Incenters, Circumcenters.
Tangent circles. |
![Geometry problem 143](../problem/p143_four_triangles_circle_.jpg) |
Proposed Problem
143. Four Triangles, Incircle, Tangent and Parallel to Side, Circumradii.
Tangent circles. |
![Circle area problem. Elearning 100](../problem/p100_circle_area_elearning_17.jpg) |
Proposed Problem
100. Circle Area, Archimedes' Book of Lemmas.
Tangent circles.
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![Circle area and Pythagoras](../problem/p099_circle_area_elearning_17.jpg) |
Proposed Problem 99: Circle Area, General Extension to Pythagoras' Theorem.
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![Problem 94, Elearning](../problem/p094_triangle_elearning_17.jpg) |
Circumcircles or circumscribed circle
Proposed Problem
94. Similar Triangles, Circumcircles,
Circumradii.
Tangent circles. |
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